<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<!--准备好一个“容器”-->
<div id="test"></div>

<!--引入react核心库-->
<script type="text/javascript" src="../js/react.development.js"></script>
<!--引入react-dom，用于支持react操作DOM -->
<script type="text/javascript" src="../js/react-dom.development.js"></script>

<script type="text/javascript">
    //1.创建虚拟DOM
    // const VDOM = React.createElement('h1', {id: 'title'}, 'Hello,React')
    const VDOM = React.createElement('h1', {id: 'title'}, React.createElement('span', {}, 'Hello,React'))
    //2.渲染虚拟DOM到页面
    ReactDOM.render(VDOM, document.getElementById('test'))
</script>
</body>
</html>